Paint tray liner



FIG. 1 is a top, front and left side perspective view of the paint tray liner in accordance with the present design;

FIG. 2 is a bottom, rear and right side perspective view of the present design;

FIG. 3 is a top plan view of the present design;

FIG. 4 is front elevational view of the present design;

FIG. 5 is rear elevational view of the present design;

FIG. 6 is a bottom plan view of the present design; and,

FIG. 7 is a right side elevational view of the present design, the left side elevational view being a mirror image thereof. 

CLAIM The ornamental design for a paint tray liner, as shown and described. 